by Adelbert Snijders, OFM Cap $9.00
by E. Martasudjita, Pr. $4.00
by K.H. Drs. Syaikh Misbahul Anam, M.T.K.H. Drs Syahrillah Asfari, M.Ag $7.00
by Dr. Ir. H.S. Farid Ruskanda, M.Sc. A.P.U. $5.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by J. Donald Walters $3.00